Vasu_Madhavarapu

Full-Stack Software Engineer with 3.3 years of experience building scalable AdTech and video platforms. Expertise in React, Node.js, and Spring Boot, with strong backend foundations in event-driven architectures and realtime systems. Proven impact in delivering end-to-end features, optimizing performance, and driving revenue growth.

Software Development Engineer - Tapmind Technologies Private Limited - Bangalore, India

(2022-12)

• Owned end-to-end design and delivery of key platform features, from architecture to production
• Built and scaled a video content platform using React.js, Node.js, and Spring Boot, designing end-to-end REST APIs and integrating frontend-backend workflows
• Designed and implemented a custom Video player with Google IMA SDK, supporting VAST/VPAID ads and dynamic ad insertion.
• Designed scalable microservices architecture (Spring Boot, Node.js) with API Gateway, service discovery, and multi-tenant support
• Designed Kafka-based event pipelines (40+ partitions) to decouple ad serving from analytics, enabling scalable and low-latency real-time processing
• Developed high-throughput services handling 3k+ req/sec for real-time ad serving.
• Reduced reporting latency from 25 min to 30 sec via batch processing optimizations.
• Migrated legacy systems to Docker with Prometheus/Grafana, improving reliability and observability.
• Cut CDN bandwidth usage by 50% using adaptive HLS streaming.
• Engineered a high-concurrency video monetization platform, building a custom Video player (VAST/VPAID, IMA SDK) and React-based content suite, generating $30K+/day in revenue
• Reduced CDN costs by 50% (~$700/month) through video optimization and efficient streaming strategies
• Implemented dynamic UI rendering using JavaScript (ES6+) with MutationObserver, eliminating polling and improving performance and responsiveness in video player and ad templates

B.Tech - Computer Science and Engineering - SRI VASAVI ENGINEERING COLLEGE (2016 - 2019)